I recently came accorss THIS and am intrigued. I have heard great things about the Rheobus and still am not completely conviced the automatic controller does the job i need (the readings arent always accurate based on where I can fit the Diodes).
My question is, which is a better way to cool your pc, the auto controller and trust the temp sensor readings? or is it safer to get the manual one, and adjust the speeds based on the task at hand.
i would also go for manual - you'll probably only need to dabble with it when gaming/not gaming (or some other heavy duty use - are there, like, any? other than gaming?)
as the controller is within your hand's reach i guess it won't be a big deal, right?
one more thing i just learned recently and would like to share with the world - make sure the controller works on the basis of voltage control, and NOT pwm (pulse width modulaion). read a thread i started to learn more, go to silentpcreview forum to find some more info on that